[Garry]

I too have a Casio Exilm EX-Z850 and have this problem with only the audio track importing. I have the Main Concept mpg codec/filter installed, but this doesnt help. I have tried Digital Media Converter 2.3 which I used to convert the avi camera file to a mpg. While this new file imported with sound and video into Vegas, the video was stretched to letterbox shape. Not a perfect solution. The Casio avi file plays perfectly on Realplayer, VLC Media Player and Windows media player. Going back to the original problem, has anyone a better solution for this.